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shepuryov [24]
4 years ago
10

Please help me answer these​

Mathematics
1 answer:
Dmitriy789 [7]4 years ago
5 0

Answer:

1 is 27

Step-by-step explanation:

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I guess is 8*4*8=256
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Calculate the premiums for the following insurance policies. Mary pays $417.25 for automobile insurance, of which $32 is for com
jek_recluse [69]
Answer: $609.88

Explanation:

Since Mary has two accidents in one year, we will use the note in the problem to compute for the new annual premium.

Using the note in the problem, we have the following steps:

- Subtract $32 from the original premium:

Result = $417.25 - $32 = $<span>385.25

- Then, get 150% of the resulting number in the previous step. First, convert 150% to decimal. So, 150% = 1.5

Result = </span>150% of $385.25 = 1.5 × $385.25 = $<span>577.875

- Finally to get the new premium, we add $32 to the resulting number in the previous step:

New Premium = </span>$577.875 + $32 = $<span>609.875
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Since there is no half cents that exists today, we round-off the new premium to the nearest cent. Hence, the new premium is $</span><span>609.88.</span><span>
 
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Calcula el minimo numero de monedas que hay dentro de una bolsa si el triple de las monedas que hay en la bolsa disminuido en 12
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Perimeter of a triangle
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Find the equation of the line tangent to y = -3x2 + x - 5 at x = -1
SVEN [57.7K]

\boxed{y+9=7(x+1)}

<h2>Explanation:</h2>

The Point-Slope form of the equation of a line is given by:

y-y_{0}=m(x-x_{0}) \\ \\ \\ Where: \\ \\ m:Slope \\ \\ (x_{0},y_{0}):A \ point

To find the equation of the line tangent to y=-3x^2+x-5 \ at \ x=-1, we need to take the derivative:

\frac{dy}{dx}=-6x+ 1

The slope of the line tangent to y=-3x^2+x-5 at x=-1 can be found evaluationg x=1 in the derivative:

\frac{dy}{dx}\Bigr\rvert_{x=-1}=-6x+ 1 \\ \\ \\ \frac{dy}{dx}\Bigr\rvert_{x=-1}=-6(-1)+ 1 \\ \\ \\  m=\frac{dy}{dx}\Bigr\rvert_{x=-1}=7

Finding the point:

x_{0}=-1 \\ \\ Then: \\ \\ y_{0}=-3(-1)^2-1-5=-9 \\ \\ (x_{0},y_{0})=(-1,-9)

Finally, our line is:

y-(-9)=7(x-(-1)) \\ \\ \boxed{y+9=7(x+1)}

The representation of this problem is shown below.

<h2>Learn more:</h2>

Derivative of functions: brainly.com/question/2142425

#LearnWithBrainly

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